It’s not quite as cool as whatever the iPad will become, but it’s useful stuff.

The cool cats at QuickerTek have released a new wireless nCard accessory for older MacBook notebooks and the Mac mini. The nCard extends Wi-Fi compatibility on the A, B, G and N standard and installs in the internal Airport card slot, with similar complexity to installing RAM chips. Per MacNN, the components are claimed to offer higher signal sensitivity and transmission power for potentially faster speeds and a wider reception area. Reception can also be further improved with an optional external antenna.

The nCard is compatible with 2006 through 2009 Mac minis but not the G4-based Minis, however and the 2006 through 2009 black and white plastic MacBook notebooks. The nCard also works in the 2006 through 2008 MacBook Pros in both the 15″ and 17″ inch models, excluding the unibody models.

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Getting back to the iPad, physical evidence has emerged which points to a slot for a forward-facing camera that was found in the frame of replacement enclosures for the device.

Per the Mission Repair blog, a spot that closely resembles the holes present in the Unibody Macbook exists within the iPad frame. Mission Repair confirmed that the camera from the Macbook does fit into place on the frame, with the lens, LED, and ambient light sensor all lining up.

A few weeks ago, AppleInsider found that the iPhone OS 3.2 SDK provided evidence that the shipping iPad could support a camera. Per one developer, the native Contacts application on the iPad offers the option to take a photo, in addition to choosing an existing one.

This adds some validity to the rumors that Apple may still be working on a camera-equipped iPad that could recognize the face of its user.

After all, there may be some differences between the iPad Steve was waving around and the actual unit that may arrive on the shelves.